evp.h revision 296341
1/* crypto/evp/evp.h */
2/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
3 * All rights reserved.
4 *
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
8 *
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to.  The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
15 *
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
22 *
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
25 * are met:
26 * 1. Redistributions of source code must retain the copyright
27 *    notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 *    notice, this list of conditions and the following disclaimer in the
30 *    documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 *    must display the following acknowledgement:
33 *    "This product includes cryptographic software written by
34 *     Eric Young (eay@cryptsoft.com)"
35 *    The word 'cryptographic' can be left out if the rouines from the library
36 *    being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 *    the apps directory (application code) you must include an acknowledgement:
39 *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
40 *
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
51 * SUCH DAMAGE.
52 *
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed.  i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
57 */
58
59#ifndef HEADER_ENVELOPE_H
60# define HEADER_ENVELOPE_H
61
62# ifdef OPENSSL_ALGORITHM_DEFINES
63#  include <openssl/opensslconf.h>
64# else
65#  define OPENSSL_ALGORITHM_DEFINES
66#  include <openssl/opensslconf.h>
67#  undef OPENSSL_ALGORITHM_DEFINES
68# endif
69
70# include <openssl/ossl_typ.h>
71
72# include <openssl/symhacks.h>
73
74# ifndef OPENSSL_NO_BIO
75#  include <openssl/bio.h>
76# endif
77
78/*-
79#define EVP_RC2_KEY_SIZE                16
80#define EVP_RC4_KEY_SIZE                16
81#define EVP_BLOWFISH_KEY_SIZE           16
82#define EVP_CAST5_KEY_SIZE              16
83#define EVP_RC5_32_12_16_KEY_SIZE       16
84*/
85# define EVP_MAX_MD_SIZE                 64/* longest known is SHA512 */
86# define EVP_MAX_KEY_LENGTH              64
87# define EVP_MAX_IV_LENGTH               16
88# define EVP_MAX_BLOCK_LENGTH            32
89
90# define PKCS5_SALT_LEN                  8
91/* Default PKCS#5 iteration count */
92# define PKCS5_DEFAULT_ITER              2048
93
94# include <openssl/objects.h>
95
96# define EVP_PK_RSA      0x0001
97# define EVP_PK_DSA      0x0002
98# define EVP_PK_DH       0x0004
99# define EVP_PK_EC       0x0008
100# define EVP_PKT_SIGN    0x0010
101# define EVP_PKT_ENC     0x0020
102# define EVP_PKT_EXCH    0x0040
103# define EVP_PKS_RSA     0x0100
104# define EVP_PKS_DSA     0x0200
105# define EVP_PKS_EC      0x0400
106
107# define EVP_PKEY_NONE   NID_undef
108# define EVP_PKEY_RSA    NID_rsaEncryption
109# define EVP_PKEY_RSA2   NID_rsa
110# define EVP_PKEY_DSA    NID_dsa
111# define EVP_PKEY_DSA1   NID_dsa_2
112# define EVP_PKEY_DSA2   NID_dsaWithSHA
113# define EVP_PKEY_DSA3   NID_dsaWithSHA1
114# define EVP_PKEY_DSA4   NID_dsaWithSHA1_2
115# define EVP_PKEY_DH     NID_dhKeyAgreement
116# define EVP_PKEY_EC     NID_X9_62_id_ecPublicKey
117# define EVP_PKEY_HMAC   NID_hmac
118# define EVP_PKEY_CMAC   NID_cmac
119
120#ifdef  __cplusplus
121extern "C" {
122#endif
123
124/*
125 * Type needs to be a bit field Sub-type needs to be for variations on the
126 * method, as in, can it do arbitrary encryption....
127 */
128struct evp_pkey_st {
129    int type;
130    int save_type;
131    int references;
132    const EVP_PKEY_ASN1_METHOD *ameth;
133    ENGINE *engine;
134    union {
135        char *ptr;
136# ifndef OPENSSL_NO_RSA
137        struct rsa_st *rsa;     /* RSA */
138# endif
139# ifndef OPENSSL_NO_DSA
140        struct dsa_st *dsa;     /* DSA */
141# endif
142# ifndef OPENSSL_NO_DH
143        struct dh_st *dh;       /* DH */
144# endif
145# ifndef OPENSSL_NO_EC
146        struct ec_key_st *ec;   /* ECC */
147# endif
148    } pkey;
149    int save_parameters;
150    STACK_OF(X509_ATTRIBUTE) *attributes; /* [ 0 ] */
151} /* EVP_PKEY */ ;
152
153# define EVP_PKEY_MO_SIGN        0x0001
154# define EVP_PKEY_MO_VERIFY      0x0002
155# define EVP_PKEY_MO_ENCRYPT     0x0004
156# define EVP_PKEY_MO_DECRYPT     0x0008
157
158# ifndef EVP_MD
159struct env_md_st {
160    int type;
161    int pkey_type;
162    int md_size;
163    unsigned long flags;
164    int (*init) (EVP_MD_CTX *ctx);
165    int (*update) (EVP_MD_CTX *ctx, const void *data, size_t count);
166    int (*final) (EVP_MD_CTX *ctx, unsigned char *md);
167    int (*copy) (EVP_MD_CTX *to, const EVP_MD_CTX *from);
168    int (*cleanup) (EVP_MD_CTX *ctx);
169    /* FIXME: prototype these some day */
170    int (*sign) (int type, const unsigned char *m, unsigned int m_length,
171                 unsigned char *sigret, unsigned int *siglen, void *key);
172    int (*verify) (int type, const unsigned char *m, unsigned int m_length,
173                   const unsigned char *sigbuf, unsigned int siglen,
174                   void *key);
175    int required_pkey_type[5];  /* EVP_PKEY_xxx */
176    int block_size;
177    int ctx_size;               /* how big does the ctx->md_data need to be */
178    /* control function */
179    int (*md_ctrl) (EVP_MD_CTX *ctx, int cmd, int p1, void *p2);
180} /* EVP_MD */ ;
181
182typedef int evp_sign_method(int type, const unsigned char *m,
183                            unsigned int m_length, unsigned char *sigret,
184                            unsigned int *siglen, void *key);
185typedef int evp_verify_method(int type, const unsigned char *m,
186                              unsigned int m_length,
187                              const unsigned char *sigbuf,
188                              unsigned int siglen, void *key);
189
190/* digest can only handle a single block */
191#  define EVP_MD_FLAG_ONESHOT     0x0001
192
193/*
194 * digest is a "clone" digest used
195 * which is a copy of an existing
196 * one for a specific public key type.
197 * EVP_dss1() etc
198 */
199#  define EVP_MD_FLAG_PKEY_DIGEST 0x0002
200
201/* Digest uses EVP_PKEY_METHOD for signing instead of MD specific signing */
202
203#  define EVP_MD_FLAG_PKEY_METHOD_SIGNATURE       0x0004
204
205/* DigestAlgorithmIdentifier flags... */
206
207#  define EVP_MD_FLAG_DIGALGID_MASK               0x0018
208
209/* NULL or absent parameter accepted. Use NULL */
210
211#  define EVP_MD_FLAG_DIGALGID_NULL               0x0000
212
213/* NULL or absent parameter accepted. Use NULL for PKCS#1 otherwise absent */
214
215#  define EVP_MD_FLAG_DIGALGID_ABSENT             0x0008
216
217/* Custom handling via ctrl */
218
219#  define EVP_MD_FLAG_DIGALGID_CUSTOM             0x0018
220
221/* Note if suitable for use in FIPS mode */
222#  define EVP_MD_FLAG_FIPS        0x0400
223
224/* Digest ctrls */
225
226#  define EVP_MD_CTRL_DIGALGID                    0x1
227#  define EVP_MD_CTRL_MICALG                      0x2
228
229/* Minimum Algorithm specific ctrl value */
230
231#  define EVP_MD_CTRL_ALG_CTRL                    0x1000
232
233#  define EVP_PKEY_NULL_method    NULL,NULL,{0,0,0,0}
234
235#  ifndef OPENSSL_NO_DSA
236#   define EVP_PKEY_DSA_method     (evp_sign_method *)DSA_sign, \
237                                (evp_verify_method *)DSA_verify, \
238                                {EVP_PKEY_DSA,EVP_PKEY_DSA2,EVP_PKEY_DSA3, \
239                                        EVP_PKEY_DSA4,0}
240#  else
241#   define EVP_PKEY_DSA_method     EVP_PKEY_NULL_method
242#  endif
243
244#  ifndef OPENSSL_NO_ECDSA
245#   define EVP_PKEY_ECDSA_method   (evp_sign_method *)ECDSA_sign, \
246                                (evp_verify_method *)ECDSA_verify, \
247                                 {EVP_PKEY_EC,0,0,0}
248#  else
249#   define EVP_PKEY_ECDSA_method   EVP_PKEY_NULL_method
250#  endif
251
252#  ifndef OPENSSL_NO_RSA
253#   define EVP_PKEY_RSA_method     (evp_sign_method *)RSA_sign, \
254                                (evp_verify_method *)RSA_verify, \
255                                {EVP_PKEY_RSA,EVP_PKEY_RSA2,0,0}
256#   define EVP_PKEY_RSA_ASN1_OCTET_STRING_method \
257                                (evp_sign_method *)RSA_sign_ASN1_OCTET_STRING, \
258                                (evp_verify_method *)RSA_verify_ASN1_OCTET_STRING, \
259                                {EVP_PKEY_RSA,EVP_PKEY_RSA2,0,0}
260#  else
261#   define EVP_PKEY_RSA_method     EVP_PKEY_NULL_method
262#   define EVP_PKEY_RSA_ASN1_OCTET_STRING_method EVP_PKEY_NULL_method
263#  endif
264
265# endif                         /* !EVP_MD */
266
267struct env_md_ctx_st {
268    const EVP_MD *digest;
269    ENGINE *engine;             /* functional reference if 'digest' is
270                                 * ENGINE-provided */
271    unsigned long flags;
272    void *md_data;
273    /* Public key context for sign/verify */
274    EVP_PKEY_CTX *pctx;
275    /* Update function: usually copied from EVP_MD */
276    int (*update) (EVP_MD_CTX *ctx, const void *data, size_t count);
277} /* EVP_MD_CTX */ ;
278
279/* values for EVP_MD_CTX flags */
280
281# define EVP_MD_CTX_FLAG_ONESHOT         0x0001/* digest update will be
282                                                * called once only */
283# define EVP_MD_CTX_FLAG_CLEANED         0x0002/* context has already been
284                                                * cleaned */
285# define EVP_MD_CTX_FLAG_REUSE           0x0004/* Don't free up ctx->md_data
286                                                * in EVP_MD_CTX_cleanup */
287/*
288 * FIPS and pad options are ignored in 1.0.0, definitions are here so we
289 * don't accidentally reuse the values for other purposes.
290 */
291
292# define EVP_MD_CTX_FLAG_NON_FIPS_ALLOW  0x0008/* Allow use of non FIPS
293                                                * digest in FIPS mode */
294
295/*
296 * The following PAD options are also currently ignored in 1.0.0, digest
297 * parameters are handled through EVP_DigestSign*() and EVP_DigestVerify*()
298 * instead.
299 */
300# define EVP_MD_CTX_FLAG_PAD_MASK        0xF0/* RSA mode to use */
301# define EVP_MD_CTX_FLAG_PAD_PKCS1       0x00/* PKCS#1 v1.5 mode */
302# define EVP_MD_CTX_FLAG_PAD_X931        0x10/* X9.31 mode */
303# define EVP_MD_CTX_FLAG_PAD_PSS         0x20/* PSS mode */
304
305# define EVP_MD_CTX_FLAG_NO_INIT         0x0100/* Don't initialize md_data */
306
307struct evp_cipher_st {
308    int nid;
309    int block_size;
310    /* Default value for variable length ciphers */
311    int key_len;
312    int iv_len;
313    /* Various flags */
314    unsigned long flags;
315    /* init key */
316    int (*init) (EVP_CIPHER_CTX *ctx, const unsigned char *key,
317                 const unsigned char *iv, int enc);
318    /* encrypt/decrypt data */
319    int (*do_cipher) (EVP_CIPHER_CTX *ctx, unsigned char *out,
320                      const unsigned char *in, size_t inl);
321    /* cleanup ctx */
322    int (*cleanup) (EVP_CIPHER_CTX *);
323    /* how big ctx->cipher_data needs to be */
324    int ctx_size;
325    /* Populate a ASN1_TYPE with parameters */
326    int (*set_asn1_parameters) (EVP_CIPHER_CTX *, ASN1_TYPE *);
327    /* Get parameters from a ASN1_TYPE */
328    int (*get_asn1_parameters) (EVP_CIPHER_CTX *, ASN1_TYPE *);
329    /* Miscellaneous operations */
330    int (*ctrl) (EVP_CIPHER_CTX *, int type, int arg, void *ptr);
331    /* Application data */
332    void *app_data;
333} /* EVP_CIPHER */ ;
334
335/* Values for cipher flags */
336
337/* Modes for ciphers */
338
339# define         EVP_CIPH_STREAM_CIPHER          0x0
340# define         EVP_CIPH_ECB_MODE               0x1
341# define         EVP_CIPH_CBC_MODE               0x2
342# define         EVP_CIPH_CFB_MODE               0x3
343# define         EVP_CIPH_OFB_MODE               0x4
344# define         EVP_CIPH_CTR_MODE               0x5
345# define         EVP_CIPH_GCM_MODE               0x6
346# define         EVP_CIPH_CCM_MODE               0x7
347# define         EVP_CIPH_XTS_MODE               0x10001
348# define         EVP_CIPH_MODE                   0xF0007
349/* Set if variable length cipher */
350# define         EVP_CIPH_VARIABLE_LENGTH        0x8
351/* Set if the iv handling should be done by the cipher itself */
352# define         EVP_CIPH_CUSTOM_IV              0x10
353/* Set if the cipher's init() function should be called if key is NULL */
354# define         EVP_CIPH_ALWAYS_CALL_INIT       0x20
355/* Call ctrl() to init cipher parameters */
356# define         EVP_CIPH_CTRL_INIT              0x40
357/* Don't use standard key length function */
358# define         EVP_CIPH_CUSTOM_KEY_LENGTH      0x80
359/* Don't use standard block padding */
360# define         EVP_CIPH_NO_PADDING             0x100
361/* cipher handles random key generation */
362# define         EVP_CIPH_RAND_KEY               0x200
363/* cipher has its own additional copying logic */
364# define         EVP_CIPH_CUSTOM_COPY            0x400
365/* Allow use default ASN1 get/set iv */
366# define         EVP_CIPH_FLAG_DEFAULT_ASN1      0x1000
367/* Buffer length in bits not bytes: CFB1 mode only */
368# define         EVP_CIPH_FLAG_LENGTH_BITS       0x2000
369/* Note if suitable for use in FIPS mode */
370# define         EVP_CIPH_FLAG_FIPS              0x4000
371/* Allow non FIPS cipher in FIPS mode */
372# define         EVP_CIPH_FLAG_NON_FIPS_ALLOW    0x8000
373/*
374 * Cipher handles any and all padding logic as well as finalisation.
375 */
376# define         EVP_CIPH_FLAG_CUSTOM_CIPHER     0x100000
377# define         EVP_CIPH_FLAG_AEAD_CIPHER       0x200000
378
379/* ctrl() values */
380
381# define         EVP_CTRL_INIT                   0x0
382# define         EVP_CTRL_SET_KEY_LENGTH         0x1
383# define         EVP_CTRL_GET_RC2_KEY_BITS       0x2
384# define         EVP_CTRL_SET_RC2_KEY_BITS       0x3
385# define         EVP_CTRL_GET_RC5_ROUNDS         0x4
386# define         EVP_CTRL_SET_RC5_ROUNDS         0x5
387# define         EVP_CTRL_RAND_KEY               0x6
388# define         EVP_CTRL_PBE_PRF_NID            0x7
389# define         EVP_CTRL_COPY                   0x8
390# define         EVP_CTRL_GCM_SET_IVLEN          0x9
391# define         EVP_CTRL_GCM_GET_TAG            0x10
392# define         EVP_CTRL_GCM_SET_TAG            0x11
393# define         EVP_CTRL_GCM_SET_IV_FIXED       0x12
394# define         EVP_CTRL_GCM_IV_GEN             0x13
395# define         EVP_CTRL_CCM_SET_IVLEN          EVP_CTRL_GCM_SET_IVLEN
396# define         EVP_CTRL_CCM_GET_TAG            EVP_CTRL_GCM_GET_TAG
397# define         EVP_CTRL_CCM_SET_TAG            EVP_CTRL_GCM_SET_TAG
398# define         EVP_CTRL_CCM_SET_L              0x14
399# define         EVP_CTRL_CCM_SET_MSGLEN         0x15
400/*
401 * AEAD cipher deduces payload length and returns number of bytes required to
402 * store MAC and eventual padding. Subsequent call to EVP_Cipher even
403 * appends/verifies MAC.
404 */
405# define         EVP_CTRL_AEAD_TLS1_AAD          0x16
406/* Used by composite AEAD ciphers, no-op in GCM, CCM... */
407# define         EVP_CTRL_AEAD_SET_MAC_KEY       0x17
408/* Set the GCM invocation field, decrypt only */
409# define         EVP_CTRL_GCM_SET_IV_INV         0x18
410
411/* RFC 5246 defines additional data to be 13 bytes in length */
412# define         EVP_AEAD_TLS1_AAD_LEN           13
413
414/* GCM TLS constants */
415/* Length of fixed part of IV derived from PRF */
416# define EVP_GCM_TLS_FIXED_IV_LEN                        4
417/* Length of explicit part of IV part of TLS records */
418# define EVP_GCM_TLS_EXPLICIT_IV_LEN                     8
419/* Length of tag for TLS */
420# define EVP_GCM_TLS_TAG_LEN                             16
421
422typedef struct evp_cipher_info_st {
423    const EVP_CIPHER *cipher;
424    unsigned char iv[EVP_MAX_IV_LENGTH];
425} EVP_CIPHER_INFO;
426
427struct evp_cipher_ctx_st {
428    const EVP_CIPHER *cipher;
429    ENGINE *engine;             /* functional reference if 'cipher' is
430                                 * ENGINE-provided */
431    int encrypt;                /* encrypt or decrypt */
432    int buf_len;                /* number we have left */
433    unsigned char oiv[EVP_MAX_IV_LENGTH]; /* original iv */
434    unsigned char iv[EVP_MAX_IV_LENGTH]; /* working iv */
435    unsigned char buf[EVP_MAX_BLOCK_LENGTH]; /* saved partial block */
436    int num;                    /* used by cfb/ofb/ctr mode */
437    void *app_data;             /* application stuff */
438    int key_len;                /* May change for variable length cipher */
439    unsigned long flags;        /* Various flags */
440    void *cipher_data;          /* per EVP data */
441    int final_used;
442    int block_mask;
443    unsigned char final[EVP_MAX_BLOCK_LENGTH]; /* possible final block */
444} /* EVP_CIPHER_CTX */ ;
445
446typedef struct evp_Encode_Ctx_st {
447    /* number saved in a partial encode/decode */
448    int num;
449    /*
450     * The length is either the output line length (in input bytes) or the
451     * shortest input line length that is ok.  Once decoding begins, the
452     * length is adjusted up each time a longer line is decoded
453     */
454    int length;
455    /* data to encode */
456    unsigned char enc_data[80];
457    /* number read on current line */
458    int line_num;
459    int expect_nl;
460} EVP_ENCODE_CTX;
461
462/* Password based encryption function */
463typedef int (EVP_PBE_KEYGEN) (EVP_CIPHER_CTX *ctx, const char *pass,
464                              int passlen, ASN1_TYPE *param,
465                              const EVP_CIPHER *cipher, const EVP_MD *md,
466                              int en_de);
467
468# ifndef OPENSSL_NO_RSA
469#  define EVP_PKEY_assign_RSA(pkey,rsa) EVP_PKEY_assign((pkey),EVP_PKEY_RSA,\
470                                        (char *)(rsa))
471# endif
472
473# ifndef OPENSSL_NO_DSA
474#  define EVP_PKEY_assign_DSA(pkey,dsa) EVP_PKEY_assign((pkey),EVP_PKEY_DSA,\
475                                        (char *)(dsa))
476# endif
477
478# ifndef OPENSSL_NO_DH
479#  define EVP_PKEY_assign_DH(pkey,dh) EVP_PKEY_assign((pkey),EVP_PKEY_DH,\
480                                        (char *)(dh))
481# endif
482
483# ifndef OPENSSL_NO_EC
484#  define EVP_PKEY_assign_EC_KEY(pkey,eckey) EVP_PKEY_assign((pkey),EVP_PKEY_EC,\
485                                        (char *)(eckey))
486# endif
487
488/* Add some extra combinations */
489# define EVP_get_digestbynid(a) EVP_get_digestbyname(OBJ_nid2sn(a))
490# define EVP_get_digestbyobj(a) EVP_get_digestbynid(OBJ_obj2nid(a))
491# define EVP_get_cipherbynid(a) EVP_get_cipherbyname(OBJ_nid2sn(a))
492# define EVP_get_cipherbyobj(a) EVP_get_cipherbynid(OBJ_obj2nid(a))
493
494int EVP_MD_type(const EVP_MD *md);
495# define EVP_MD_nid(e)                   EVP_MD_type(e)
496# define EVP_MD_name(e)                  OBJ_nid2sn(EVP_MD_nid(e))
497int EVP_MD_pkey_type(const EVP_MD *md);
498int EVP_MD_size(const EVP_MD *md);
499int EVP_MD_block_size(const EVP_MD *md);
500unsigned long EVP_MD_flags(const EVP_MD *md);
501
502const EVP_MD *EVP_MD_CTX_md(const EVP_MD_CTX *ctx);
503# define EVP_MD_CTX_size(e)              EVP_MD_size(EVP_MD_CTX_md(e))
504# define EVP_MD_CTX_block_size(e)        EVP_MD_block_size(EVP_MD_CTX_md(e))
505# define EVP_MD_CTX_type(e)              EVP_MD_type(EVP_MD_CTX_md(e))
506
507int EVP_CIPHER_nid(const EVP_CIPHER *cipher);
508# define EVP_CIPHER_name(e)              OBJ_nid2sn(EVP_CIPHER_nid(e))
509int EVP_CIPHER_block_size(const EVP_CIPHER *cipher);
510int EVP_CIPHER_key_length(const EVP_CIPHER *cipher);
511int EVP_CIPHER_iv_length(const EVP_CIPHER *cipher);
512unsigned long EVP_CIPHER_flags(const EVP_CIPHER *cipher);
513# define EVP_CIPHER_mode(e)              (EVP_CIPHER_flags(e) & EVP_CIPH_MODE)
514
515const EVP_CIPHER *EVP_CIPHER_CTX_cipher(const EVP_CIPHER_CTX *ctx);
516int EVP_CIPHER_CTX_nid(const EVP_CIPHER_CTX *ctx);
517int EVP_CIPHER_CTX_block_size(const EVP_CIPHER_CTX *ctx);
518int EVP_CIPHER_CTX_key_length(const EVP_CIPHER_CTX *ctx);
519int EVP_CIPHER_CTX_iv_length(const EVP_CIPHER_CTX *ctx);
520int EVP_CIPHER_CTX_copy(EVP_CIPHER_CTX *out, const EVP_CIPHER_CTX *in);
521void *EVP_CIPHER_CTX_get_app_data(const EVP_CIPHER_CTX *ctx);
522void EVP_CIPHER_CTX_set_app_data(EVP_CIPHER_CTX *ctx, void *data);
523# define EVP_CIPHER_CTX_type(c)         EVP_CIPHER_type(EVP_CIPHER_CTX_cipher(c))
524unsigned long EVP_CIPHER_CTX_flags(const EVP_CIPHER_CTX *ctx);
525# define EVP_CIPHER_CTX_mode(e)          (EVP_CIPHER_CTX_flags(e) & EVP_CIPH_MODE)
526
527# define EVP_ENCODE_LENGTH(l)    (((l+2)/3*4)+(l/48+1)*2+80)
528# define EVP_DECODE_LENGTH(l)    ((l+3)/4*3+80)
529
530# define EVP_SignInit_ex(a,b,c)          EVP_DigestInit_ex(a,b,c)
531# define EVP_SignInit(a,b)               EVP_DigestInit(a,b)
532# define EVP_SignUpdate(a,b,c)           EVP_DigestUpdate(a,b,c)
533# define EVP_VerifyInit_ex(a,b,c)        EVP_DigestInit_ex(a,b,c)
534# define EVP_VerifyInit(a,b)             EVP_DigestInit(a,b)
535# define EVP_VerifyUpdate(a,b,c)         EVP_DigestUpdate(a,b,c)
536# define EVP_OpenUpdate(a,b,c,d,e)       EVP_DecryptUpdate(a,b,c,d,e)
537# define EVP_SealUpdate(a,b,c,d,e)       EVP_EncryptUpdate(a,b,c,d,e)
538# define EVP_DigestSignUpdate(a,b,c)     EVP_DigestUpdate(a,b,c)
539# define EVP_DigestVerifyUpdate(a,b,c)   EVP_DigestUpdate(a,b,c)
540
541# ifdef CONST_STRICT
542void BIO_set_md(BIO *, const EVP_MD *md);
543# else
544#  define BIO_set_md(b,md)               BIO_ctrl(b,BIO_C_SET_MD,0,(char *)md)
545# endif
546# define BIO_get_md(b,mdp)               BIO_ctrl(b,BIO_C_GET_MD,0,(char *)mdp)
547# define BIO_get_md_ctx(b,mdcp)     BIO_ctrl(b,BIO_C_GET_MD_CTX,0,(char *)mdcp)
548# define BIO_set_md_ctx(b,mdcp)     BIO_ctrl(b,BIO_C_SET_MD_CTX,0,(char *)mdcp)
549# define BIO_get_cipher_status(b)        BIO_ctrl(b,BIO_C_GET_CIPHER_STATUS,0,NULL)
550# define BIO_get_cipher_ctx(b,c_pp)      BIO_ctrl(b,BIO_C_GET_CIPHER_CTX,0,(char *)c_pp)
551
552int EVP_Cipher(EVP_CIPHER_CTX *c,
553               unsigned char *out, const unsigned char *in, unsigned int inl);
554
555# define EVP_add_cipher_alias(n,alias) \
556        OBJ_NAME_add((alias),OBJ_NAME_TYPE_CIPHER_METH|OBJ_NAME_ALIAS,(n))
557# define EVP_add_digest_alias(n,alias) \
558        OBJ_NAME_add((alias),OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS,(n))
559# define EVP_delete_cipher_alias(alias) \
560        OBJ_NAME_remove(alias,OBJ_NAME_TYPE_CIPHER_METH|OBJ_NAME_ALIAS);
561# define EVP_delete_digest_alias(alias) \
562        OBJ_NAME_remove(alias,OBJ_NAME_TYPE_MD_METH|OBJ_NAME_ALIAS);
563
564void EVP_MD_CTX_init(EVP_MD_CTX *ctx);
565int EVP_MD_CTX_cleanup(EVP_MD_CTX *ctx);
566EVP_MD_CTX *EVP_MD_CTX_create(void);
567void EVP_MD_CTX_destroy(EVP_MD_CTX *ctx);
568int EVP_MD_CTX_copy_ex(EVP_MD_CTX *out, const EVP_MD_CTX *in);
569void EVP_MD_CTX_set_flags(EVP_MD_CTX *ctx, int flags);
570void EVP_MD_CTX_clear_flags(EVP_MD_CTX *ctx, int flags);
571int EVP_MD_CTX_test_flags(const EVP_MD_CTX *ctx, int flags);
572int EVP_DigestInit_ex(EVP_MD_CTX *ctx, const EVP_MD *type, ENGINE *impl);
573int EVP_DigestUpdate(EVP_MD_CTX *ctx, const void *d, size_t cnt);
574int EVP_DigestFinal_ex(EVP_MD_CTX *ctx, unsigned char *md, unsigned int *s);
575int EVP_Digest(const void *data, size_t count,
576               unsigned char *md, unsigned int *size, const EVP_MD *type,
577               ENGINE *impl);
578
579int EVP_MD_CTX_copy(EVP_MD_CTX *out, const EVP_MD_CTX *in);
580int EVP_DigestInit(EVP_MD_CTX *ctx, const EVP_MD *type);
581int EVP_DigestFinal(EVP_MD_CTX *ctx, unsigned char *md, unsigned int *s);
582
583int EVP_read_pw_string(char *buf, int length, const char *prompt, int verify);
584int EVP_read_pw_string_min(char *buf, int minlen, int maxlen,
585                           const char *prompt, int verify);
586void EVP_set_pw_prompt(const char *prompt);
587char *EVP_get_pw_prompt(void);
588
589int EVP_BytesToKey(const EVP_CIPHER *type, const EVP_MD *md,
590                   const unsigned char *salt, const unsigned char *data,
591                   int datal, int count, unsigned char *key,
592                   unsigned char *iv);
593
594void EVP_CIPHER_CTX_set_flags(EVP_CIPHER_CTX *ctx, int flags);
595void EVP_CIPHER_CTX_clear_flags(EVP_CIPHER_CTX *ctx, int flags);
596int EVP_CIPHER_CTX_test_flags(const EVP_CIPHER_CTX *ctx, int flags);
597
598int EVP_EncryptInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher,
599                    const unsigned char *key, const unsigned char *iv);
600int EVP_EncryptInit_ex(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher,
601                       ENGINE *impl, const unsigned char *key,
602                       const unsigned char *iv);
603int EVP_EncryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl,
604                      const unsigned char *in, int inl);
605int EVP_EncryptFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
606int EVP_EncryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
607
608int EVP_DecryptInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher,
609                    const unsigned char *key, const unsigned char *iv);
610int EVP_DecryptInit_ex(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher,
611                       ENGINE *impl, const unsigned char *key,
612                       const unsigned char *iv);
613int EVP_DecryptUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl,
614                      const unsigned char *in, int inl);
615int EVP_DecryptFinal(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
616int EVP_DecryptFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
617
618int EVP_CipherInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher,
619                   const unsigned char *key, const unsigned char *iv,
620                   int enc);
621int EVP_CipherInit_ex(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *cipher,
622                      ENGINE *impl, const unsigned char *key,
623                      const unsigned char *iv, int enc);
624int EVP_CipherUpdate(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl,
625                     const unsigned char *in, int inl);
626int EVP_CipherFinal(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
627int EVP_CipherFinal_ex(EVP_CIPHER_CTX *ctx, unsigned char *outm, int *outl);
628
629int EVP_SignFinal(EVP_MD_CTX *ctx, unsigned char *md, unsigned int *s,
630                  EVP_PKEY *pkey);
631
632int EVP_VerifyFinal(EVP_MD_CTX *ctx, const unsigned char *sigbuf,
633                    unsigned int siglen, EVP_PKEY *pkey);
634
635int EVP_DigestSignInit(EVP_MD_CTX *ctx, EVP_PKEY_CTX **pctx,
636                       const EVP_MD *type, ENGINE *e, EVP_PKEY *pkey);
637int EVP_DigestSignFinal(EVP_MD_CTX *ctx,
638                        unsigned char *sigret, size_t *siglen);
639
640int EVP_DigestVerifyInit(EVP_MD_CTX *ctx, EVP_PKEY_CTX **pctx,
641                         const EVP_MD *type, ENGINE *e, EVP_PKEY *pkey);
642int EVP_DigestVerifyFinal(EVP_MD_CTX *ctx, unsigned char *sig, size_t siglen);
643
644int EVP_OpenInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *type,
645                 const unsigned char *ek, int ekl, const unsigned char *iv,
646                 EVP_PKEY *priv);
647int EVP_OpenFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
648
649int EVP_SealInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *type,
650                 unsigned char **ek, int *ekl, unsigned char *iv,
651                 EVP_PKEY **pubk, int npubk);
652int EVP_SealFinal(EVP_CIPHER_CTX *ctx, unsigned char *out, int *outl);
653
654void EVP_EncodeInit(EVP_ENCODE_CTX *ctx);
655void EVP_EncodeUpdate(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl,
656                      const unsigned char *in, int inl);
657void EVP_EncodeFinal(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl);
658int EVP_EncodeBlock(unsigned char *t, const unsigned char *f, int n);
659
660void EVP_DecodeInit(EVP_ENCODE_CTX *ctx);
661int EVP_DecodeUpdate(EVP_ENCODE_CTX *ctx, unsigned char *out, int *outl,
662                     const unsigned char *in, int inl);
663int EVP_DecodeFinal(EVP_ENCODE_CTX *ctx, unsigned
664                    char *out, int *outl);
665int EVP_DecodeBlock(unsigned char *t, const unsigned char *f, int n);
666
667void EVP_CIPHER_CTX_init(EVP_CIPHER_CTX *a);
668int EVP_CIPHER_CTX_cleanup(EVP_CIPHER_CTX *a);
669EVP_CIPHER_CTX *EVP_CIPHER_CTX_new(void);
670void EVP_CIPHER_CTX_free(EVP_CIPHER_CTX *a);
671int EVP_CIPHER_CTX_set_key_length(EVP_CIPHER_CTX *x, int keylen);
672int EVP_CIPHER_CTX_set_padding(EVP_CIPHER_CTX *c, int pad);
673int EVP_CIPHER_CTX_ctrl(EVP_CIPHER_CTX *ctx, int type, int arg, void *ptr);
674int EVP_CIPHER_CTX_rand_key(EVP_CIPHER_CTX *ctx, unsigned char *key);
675
676# ifndef OPENSSL_NO_BIO
677BIO_METHOD *BIO_f_md(void);
678BIO_METHOD *BIO_f_base64(void);
679BIO_METHOD *BIO_f_cipher(void);
680BIO_METHOD *BIO_f_reliable(void);
681void BIO_set_cipher(BIO *b, const EVP_CIPHER *c, const unsigned char *k,
682                    const unsigned char *i, int enc);
683# endif
684
685const EVP_MD *EVP_md_null(void);
686# ifndef OPENSSL_NO_MD2
687const EVP_MD *EVP_md2(void);
688# endif
689# ifndef OPENSSL_NO_MD4
690const EVP_MD *EVP_md4(void);
691# endif
692# ifndef OPENSSL_NO_MD5
693const EVP_MD *EVP_md5(void);
694# endif
695# ifndef OPENSSL_NO_SHA
696const EVP_MD *EVP_sha(void);
697const EVP_MD *EVP_sha1(void);
698const EVP_MD *EVP_dss(void);
699const EVP_MD *EVP_dss1(void);
700const EVP_MD *EVP_ecdsa(void);
701# endif
702# ifndef OPENSSL_NO_SHA256
703const EVP_MD *EVP_sha224(void);
704const EVP_MD *EVP_sha256(void);
705# endif
706# ifndef OPENSSL_NO_SHA512
707const EVP_MD *EVP_sha384(void);
708const EVP_MD *EVP_sha512(void);
709# endif
710# ifndef OPENSSL_NO_MDC2
711const EVP_MD *EVP_mdc2(void);
712# endif
713# ifndef OPENSSL_NO_RIPEMD
714const EVP_MD *EVP_ripemd160(void);
715# endif
716# ifndef OPENSSL_NO_WHIRLPOOL
717const EVP_MD *EVP_whirlpool(void);
718# endif
719const EVP_CIPHER *EVP_enc_null(void); /* does nothing :-) */
720# ifndef OPENSSL_NO_DES
721const EVP_CIPHER *EVP_des_ecb(void);
722const EVP_CIPHER *EVP_des_ede(void);
723const EVP_CIPHER *EVP_des_ede3(void);
724const EVP_CIPHER *EVP_des_ede_ecb(void);
725const EVP_CIPHER *EVP_des_ede3_ecb(void);
726const EVP_CIPHER *EVP_des_cfb64(void);
727#  define EVP_des_cfb EVP_des_cfb64
728const EVP_CIPHER *EVP_des_cfb1(void);
729const EVP_CIPHER *EVP_des_cfb8(void);
730const EVP_CIPHER *EVP_des_ede_cfb64(void);
731#  define EVP_des_ede_cfb EVP_des_ede_cfb64
732#  if 0
733const EVP_CIPHER *EVP_des_ede_cfb1(void);
734const EVP_CIPHER *EVP_des_ede_cfb8(void);
735#  endif
736const EVP_CIPHER *EVP_des_ede3_cfb64(void);
737#  define EVP_des_ede3_cfb EVP_des_ede3_cfb64
738const EVP_CIPHER *EVP_des_ede3_cfb1(void);
739const EVP_CIPHER *EVP_des_ede3_cfb8(void);
740const EVP_CIPHER *EVP_des_ofb(void);
741const EVP_CIPHER *EVP_des_ede_ofb(void);
742const EVP_CIPHER *EVP_des_ede3_ofb(void);
743const EVP_CIPHER *EVP_des_cbc(void);
744const EVP_CIPHER *EVP_des_ede_cbc(void);
745const EVP_CIPHER *EVP_des_ede3_cbc(void);
746const EVP_CIPHER *EVP_desx_cbc(void);
747/*
748 * This should now be supported through the dev_crypto ENGINE. But also, why
749 * are rc4 and md5 declarations made here inside a "NO_DES" precompiler
750 * branch?
751 */
752#  if 0
753#   ifdef OPENSSL_OPENBSD_DEV_CRYPTO
754const EVP_CIPHER *EVP_dev_crypto_des_ede3_cbc(void);
755const EVP_CIPHER *EVP_dev_crypto_rc4(void);
756const EVP_MD *EVP_dev_crypto_md5(void);
757#   endif
758#  endif
759# endif
760# ifndef OPENSSL_NO_RC4
761const EVP_CIPHER *EVP_rc4(void);
762const EVP_CIPHER *EVP_rc4_40(void);
763#  ifndef OPENSSL_NO_MD5
764const EVP_CIPHER *EVP_rc4_hmac_md5(void);
765#  endif
766# endif
767# ifndef OPENSSL_NO_IDEA
768const EVP_CIPHER *EVP_idea_ecb(void);
769const EVP_CIPHER *EVP_idea_cfb64(void);
770#  define EVP_idea_cfb EVP_idea_cfb64
771const EVP_CIPHER *EVP_idea_ofb(void);
772const EVP_CIPHER *EVP_idea_cbc(void);
773# endif
774# ifndef OPENSSL_NO_RC2
775const EVP_CIPHER *EVP_rc2_ecb(void);
776const EVP_CIPHER *EVP_rc2_cbc(void);
777const EVP_CIPHER *EVP_rc2_40_cbc(void);
778const EVP_CIPHER *EVP_rc2_64_cbc(void);
779const EVP_CIPHER *EVP_rc2_cfb64(void);
780#  define EVP_rc2_cfb EVP_rc2_cfb64
781const EVP_CIPHER *EVP_rc2_ofb(void);
782# endif
783# ifndef OPENSSL_NO_BF
784const EVP_CIPHER *EVP_bf_ecb(void);
785const EVP_CIPHER *EVP_bf_cbc(void);
786const EVP_CIPHER *EVP_bf_cfb64(void);
787#  define EVP_bf_cfb EVP_bf_cfb64
788const EVP_CIPHER *EVP_bf_ofb(void);
789# endif
790# ifndef OPENSSL_NO_CAST
791const EVP_CIPHER *EVP_cast5_ecb(void);
792const EVP_CIPHER *EVP_cast5_cbc(void);
793const EVP_CIPHER *EVP_cast5_cfb64(void);
794#  define EVP_cast5_cfb EVP_cast5_cfb64
795const EVP_CIPHER *EVP_cast5_ofb(void);
796# endif
797# ifndef OPENSSL_NO_RC5
798const EVP_CIPHER *EVP_rc5_32_12_16_cbc(void);
799const EVP_CIPHER *EVP_rc5_32_12_16_ecb(void);
800const EVP_CIPHER *EVP_rc5_32_12_16_cfb64(void);
801#  define EVP_rc5_32_12_16_cfb EVP_rc5_32_12_16_cfb64
802const EVP_CIPHER *EVP_rc5_32_12_16_ofb(void);
803# endif
804# ifndef OPENSSL_NO_AES
805const EVP_CIPHER *EVP_aes_128_ecb(void);
806const EVP_CIPHER *EVP_aes_128_cbc(void);
807const EVP_CIPHER *EVP_aes_128_cfb1(void);
808const EVP_CIPHER *EVP_aes_128_cfb8(void);
809const EVP_CIPHER *EVP_aes_128_cfb128(void);
810#  define EVP_aes_128_cfb EVP_aes_128_cfb128
811const EVP_CIPHER *EVP_aes_128_ofb(void);
812const EVP_CIPHER *EVP_aes_128_ctr(void);
813const EVP_CIPHER *EVP_aes_128_ccm(void);
814const EVP_CIPHER *EVP_aes_128_gcm(void);
815const EVP_CIPHER *EVP_aes_128_xts(void);
816const EVP_CIPHER *EVP_aes_192_ecb(void);
817const EVP_CIPHER *EVP_aes_192_cbc(void);
818const EVP_CIPHER *EVP_aes_192_cfb1(void);
819const EVP_CIPHER *EVP_aes_192_cfb8(void);
820const EVP_CIPHER *EVP_aes_192_cfb128(void);
821#  define EVP_aes_192_cfb EVP_aes_192_cfb128
822const EVP_CIPHER *EVP_aes_192_ofb(void);
823const EVP_CIPHER *EVP_aes_192_ctr(void);
824const EVP_CIPHER *EVP_aes_192_ccm(void);
825const EVP_CIPHER *EVP_aes_192_gcm(void);
826const EVP_CIPHER *EVP_aes_256_ecb(void);
827const EVP_CIPHER *EVP_aes_256_cbc(void);
828const EVP_CIPHER *EVP_aes_256_cfb1(void);
829const EVP_CIPHER *EVP_aes_256_cfb8(void);
830const EVP_CIPHER *EVP_aes_256_cfb128(void);
831#  define EVP_aes_256_cfb EVP_aes_256_cfb128
832const EVP_CIPHER *EVP_aes_256_ofb(void);
833const EVP_CIPHER *EVP_aes_256_ctr(void);
834const EVP_CIPHER *EVP_aes_256_ccm(void);
835const EVP_CIPHER *EVP_aes_256_gcm(void);
836const EVP_CIPHER *EVP_aes_256_xts(void);
837#  if !defined(OPENSSL_NO_SHA) && !defined(OPENSSL_NO_SHA1)
838const EVP_CIPHER *EVP_aes_128_cbc_hmac_sha1(void);
839const EVP_CIPHER *EVP_aes_256_cbc_hmac_sha1(void);
840#  endif
841# endif
842# ifndef OPENSSL_NO_CAMELLIA
843const EVP_CIPHER *EVP_camellia_128_ecb(void);
844const EVP_CIPHER *EVP_camellia_128_cbc(void);
845const EVP_CIPHER *EVP_camellia_128_cfb1(void);
846const EVP_CIPHER *EVP_camellia_128_cfb8(void);
847const EVP_CIPHER *EVP_camellia_128_cfb128(void);
848#  define EVP_camellia_128_cfb EVP_camellia_128_cfb128
849const EVP_CIPHER *EVP_camellia_128_ofb(void);
850const EVP_CIPHER *EVP_camellia_192_ecb(void);
851const EVP_CIPHER *EVP_camellia_192_cbc(void);
852const EVP_CIPHER *EVP_camellia_192_cfb1(void);
853const EVP_CIPHER *EVP_camellia_192_cfb8(void);
854const EVP_CIPHER *EVP_camellia_192_cfb128(void);
855#  define EVP_camellia_192_cfb EVP_camellia_192_cfb128
856const EVP_CIPHER *EVP_camellia_192_ofb(void);
857const EVP_CIPHER *EVP_camellia_256_ecb(void);
858const EVP_CIPHER *EVP_camellia_256_cbc(void);
859const EVP_CIPHER *EVP_camellia_256_cfb1(void);
860const EVP_CIPHER *EVP_camellia_256_cfb8(void);
861const EVP_CIPHER *EVP_camellia_256_cfb128(void);
862#  define EVP_camellia_256_cfb EVP_camellia_256_cfb128
863const EVP_CIPHER *EVP_camellia_256_ofb(void);
864# endif
865
866# ifndef OPENSSL_NO_SEED
867const EVP_CIPHER *EVP_seed_ecb(void);
868const EVP_CIPHER *EVP_seed_cbc(void);
869const EVP_CIPHER *EVP_seed_cfb128(void);
870#  define EVP_seed_cfb EVP_seed_cfb128
871const EVP_CIPHER *EVP_seed_ofb(void);
872# endif
873
874void OPENSSL_add_all_algorithms_noconf(void);
875void OPENSSL_add_all_algorithms_conf(void);
876
877# ifdef OPENSSL_LOAD_CONF
878#  define OpenSSL_add_all_algorithms() \
879                OPENSSL_add_all_algorithms_conf()
880# else
881#  define OpenSSL_add_all_algorithms() \
882                OPENSSL_add_all_algorithms_noconf()
883# endif
884
885void OpenSSL_add_all_ciphers(void);
886void OpenSSL_add_all_digests(void);
887# define SSLeay_add_all_algorithms() OpenSSL_add_all_algorithms()
888# define SSLeay_add_all_ciphers() OpenSSL_add_all_ciphers()
889# define SSLeay_add_all_digests() OpenSSL_add_all_digests()
890
891int EVP_add_cipher(const EVP_CIPHER *cipher);
892int EVP_add_digest(const EVP_MD *digest);
893
894const EVP_CIPHER *EVP_get_cipherbyname(const char *name);
895const EVP_MD *EVP_get_digestbyname(const char *name);
896void EVP_cleanup(void);
897
898void EVP_CIPHER_do_all(void (*fn) (const EVP_CIPHER *ciph,
899                                   const char *from, const char *to, void *x),
900                       void *arg);
901void EVP_CIPHER_do_all_sorted(void (*fn)
902                               (const EVP_CIPHER *ciph, const char *from,
903                                const char *to, void *x), void *arg);
904
905void EVP_MD_do_all(void (*fn) (const EVP_MD *ciph,
906                               const char *from, const char *to, void *x),
907                   void *arg);
908void EVP_MD_do_all_sorted(void (*fn)
909                           (const EVP_MD *ciph, const char *from,
910                            const char *to, void *x), void *arg);
911
912int EVP_PKEY_decrypt_old(unsigned char *dec_key,
913                         const unsigned char *enc_key, int enc_key_len,
914                         EVP_PKEY *private_key);
915int EVP_PKEY_encrypt_old(unsigned char *enc_key,
916                         const unsigned char *key, int key_len,
917                         EVP_PKEY *pub_key);
918int EVP_PKEY_type(int type);
919int EVP_PKEY_id(const EVP_PKEY *pkey);
920int EVP_PKEY_base_id(const EVP_PKEY *pkey);
921int EVP_PKEY_bits(EVP_PKEY *pkey);
922int EVP_PKEY_size(EVP_PKEY *pkey);
923int EVP_PKEY_set_type(EVP_PKEY *pkey, int type);
924int EVP_PKEY_set_type_str(EVP_PKEY *pkey, const char *str, int len);
925int EVP_PKEY_assign(EVP_PKEY *pkey, int type, void *key);
926void *EVP_PKEY_get0(EVP_PKEY *pkey);
927
928# ifndef OPENSSL_NO_RSA
929struct rsa_st;
930int EVP_PKEY_set1_RSA(EVP_PKEY *pkey, struct rsa_st *key);
931struct rsa_st *EVP_PKEY_get1_RSA(EVP_PKEY *pkey);
932# endif
933# ifndef OPENSSL_NO_DSA
934struct dsa_st;
935int EVP_PKEY_set1_DSA(EVP_PKEY *pkey, struct dsa_st *key);
936struct dsa_st *EVP_PKEY_get1_DSA(EVP_PKEY *pkey);
937# endif
938# ifndef OPENSSL_NO_DH
939struct dh_st;
940int EVP_PKEY_set1_DH(EVP_PKEY *pkey, struct dh_st *key);
941struct dh_st *EVP_PKEY_get1_DH(EVP_PKEY *pkey);
942# endif
943# ifndef OPENSSL_NO_EC
944struct ec_key_st;
945int EVP_PKEY_set1_EC_KEY(EVP_PKEY *pkey, struct ec_key_st *key);
946struct ec_key_st *EVP_PKEY_get1_EC_KEY(EVP_PKEY *pkey);
947# endif
948
949EVP_PKEY *EVP_PKEY_new(void);
950void EVP_PKEY_free(EVP_PKEY *pkey);
951
952EVP_PKEY *d2i_PublicKey(int type, EVP_PKEY **a, const unsigned char **pp,
953                        long length);
954int i2d_PublicKey(EVP_PKEY *a, unsigned char **pp);
955
956EVP_PKEY *d2i_PrivateKey(int type, EVP_PKEY **a, const unsigned char **pp,
957                         long length);
958EVP_PKEY *d2i_AutoPrivateKey(EVP_PKEY **a, const unsigned char **pp,
959                             long length);
960int i2d_PrivateKey(EVP_PKEY *a, unsigned char **pp);
961
962int EVP_PKEY_copy_parameters(EVP_PKEY *to, const EVP_PKEY *from);
963int EVP_PKEY_missing_parameters(const EVP_PKEY *pkey);
964int EVP_PKEY_save_parameters(EVP_PKEY *pkey, int mode);
965int EVP_PKEY_cmp_parameters(const EVP_PKEY *a, const EVP_PKEY *b);
966
967int EVP_PKEY_cmp(const EVP_PKEY *a, const EVP_PKEY *b);
968
969int EVP_PKEY_print_public(BIO *out, const EVP_PKEY *pkey,
970                          int indent, ASN1_PCTX *pctx);
971int EVP_PKEY_print_private(BIO *out, const EVP_PKEY *pkey,
972                           int indent, ASN1_PCTX *pctx);
973int EVP_PKEY_print_params(BIO *out, const EVP_PKEY *pkey,
974                          int indent, ASN1_PCTX *pctx);
975
976int EVP_PKEY_get_default_digest_nid(EVP_PKEY *pkey, int *pnid);
977
978int EVP_CIPHER_type(const EVP_CIPHER *ctx);
979
980/* calls methods */
981int EVP_CIPHER_param_to_asn1(EVP_CIPHER_CTX *c, ASN1_TYPE *type);
982int EVP_CIPHER_asn1_to_param(EVP_CIPHER_CTX *c, ASN1_TYPE *type);
983
984/* These are used by EVP_CIPHER methods */
985int EVP_CIPHER_set_asn1_iv(EVP_CIPHER_CTX *c, ASN1_TYPE *type);
986int EVP_CIPHER_get_asn1_iv(EVP_CIPHER_CTX *c, ASN1_TYPE *type);
987
988/* PKCS5 password based encryption */
989int PKCS5_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
990                       ASN1_TYPE *param, const EVP_CIPHER *cipher,
991                       const EVP_MD *md, int en_de);
992int PKCS5_PBKDF2_HMAC_SHA1(const char *pass, int passlen,
993                           const unsigned char *salt, int saltlen, int iter,
994                           int keylen, unsigned char *out);
995int PKCS5_PBKDF2_HMAC(const char *pass, int passlen,
996                      const unsigned char *salt, int saltlen, int iter,
997                      const EVP_MD *digest, int keylen, unsigned char *out);
998int PKCS5_v2_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
999                          ASN1_TYPE *param, const EVP_CIPHER *cipher,
1000                          const EVP_MD *md, int en_de);
1001
1002void PKCS5_PBE_add(void);
1003
1004int EVP_PBE_CipherInit(ASN1_OBJECT *pbe_obj, const char *pass, int passlen,
1005                       ASN1_TYPE *param, EVP_CIPHER_CTX *ctx, int en_de);
1006
1007/* PBE type */
1008
1009/* Can appear as the outermost AlgorithmIdentifier */
1010# define EVP_PBE_TYPE_OUTER      0x0
1011/* Is an PRF type OID */
1012# define EVP_PBE_TYPE_PRF        0x1
1013
1014int EVP_PBE_alg_add_type(int pbe_type, int pbe_nid, int cipher_nid,
1015                         int md_nid, EVP_PBE_KEYGEN *keygen);
1016int EVP_PBE_alg_add(int nid, const EVP_CIPHER *cipher, const EVP_MD *md,
1017                    EVP_PBE_KEYGEN *keygen);
1018int EVP_PBE_find(int type, int pbe_nid, int *pcnid, int *pmnid,
1019                 EVP_PBE_KEYGEN **pkeygen);
1020void EVP_PBE_cleanup(void);
1021
1022# define ASN1_PKEY_ALIAS         0x1
1023# define ASN1_PKEY_DYNAMIC       0x2
1024# define ASN1_PKEY_SIGPARAM_NULL 0x4
1025
1026# define ASN1_PKEY_CTRL_PKCS7_SIGN       0x1
1027# define ASN1_PKEY_CTRL_PKCS7_ENCRYPT    0x2
1028# define ASN1_PKEY_CTRL_DEFAULT_MD_NID   0x3
1029# define ASN1_PKEY_CTRL_CMS_SIGN         0x5
1030# define ASN1_PKEY_CTRL_CMS_ENVELOPE     0x7
1031
1032int EVP_PKEY_asn1_get_count(void);
1033const EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_get0(int idx);
1034const EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_find(ENGINE **pe, int type);
1035const EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_find_str(ENGINE **pe,
1036                                                   const char *str, int len);
1037int EVP_PKEY_asn1_add0(const EVP_PKEY_ASN1_METHOD *ameth);
1038int EVP_PKEY_asn1_add_alias(int to, int from);
1039int EVP_PKEY_asn1_get0_info(int *ppkey_id, int *pkey_base_id,
1040                            int *ppkey_flags, const char **pinfo,
1041                            const char **ppem_str,
1042                            const EVP_PKEY_ASN1_METHOD *ameth);
1043
1044const EVP_PKEY_ASN1_METHOD *EVP_PKEY_get0_asn1(EVP_PKEY *pkey);
1045EVP_PKEY_ASN1_METHOD *EVP_PKEY_asn1_new(int id, int flags,
1046                                        const char *pem_str,
1047                                        const char *info);
1048void EVP_PKEY_asn1_copy(EVP_PKEY_ASN1_METHOD *dst,
1049                        const EVP_PKEY_ASN1_METHOD *src);
1050void EVP_PKEY_asn1_free(EVP_PKEY_ASN1_METHOD *ameth);
1051void EVP_PKEY_asn1_set_public(EVP_PKEY_ASN1_METHOD *ameth,
1052                              int (*pub_decode) (EVP_PKEY *pk,
1053                                                 X509_PUBKEY *pub),
1054                              int (*pub_encode) (X509_PUBKEY *pub,
1055                                                 const EVP_PKEY *pk),
1056                              int (*pub_cmp) (const EVP_PKEY *a,
1057                                              const EVP_PKEY *b),
1058                              int (*pub_print) (BIO *out,
1059                                                const EVP_PKEY *pkey,
1060                                                int indent, ASN1_PCTX *pctx),
1061                              int (*pkey_size) (const EVP_PKEY *pk),
1062                              int (*pkey_bits) (const EVP_PKEY *pk));
1063void EVP_PKEY_asn1_set_private(EVP_PKEY_ASN1_METHOD *ameth,
1064                               int (*priv_decode) (EVP_PKEY *pk,
1065                                                   PKCS8_PRIV_KEY_INFO
1066                                                   *p8inf),
1067                               int (*priv_encode) (PKCS8_PRIV_KEY_INFO *p8,
1068                                                   const EVP_PKEY *pk),
1069                               int (*priv_print) (BIO *out,
1070                                                  const EVP_PKEY *pkey,
1071                                                  int indent,
1072                                                  ASN1_PCTX *pctx));
1073void EVP_PKEY_asn1_set_param(EVP_PKEY_ASN1_METHOD *ameth,
1074                             int (*param_decode) (EVP_PKEY *pkey,
1075                                                  const unsigned char **pder,
1076                                                  int derlen),
1077                             int (*param_encode) (const EVP_PKEY *pkey,
1078                                                  unsigned char **pder),
1079                             int (*param_missing) (const EVP_PKEY *pk),
1080                             int (*param_copy) (EVP_PKEY *to,
1081                                                const EVP_PKEY *from),
1082                             int (*param_cmp) (const EVP_PKEY *a,
1083                                               const EVP_PKEY *b),
1084                             int (*param_print) (BIO *out,
1085                                                 const EVP_PKEY *pkey,
1086                                                 int indent,
1087                                                 ASN1_PCTX *pctx));
1088
1089void EVP_PKEY_asn1_set_free(EVP_PKEY_ASN1_METHOD *ameth,
1090                            void (*pkey_free) (EVP_PKEY *pkey));
1091void EVP_PKEY_asn1_set_ctrl(EVP_PKEY_ASN1_METHOD *ameth,
1092                            int (*pkey_ctrl) (EVP_PKEY *pkey, int op,
1093                                              long arg1, void *arg2));
1094
1095# define EVP_PKEY_OP_UNDEFINED           0
1096# define EVP_PKEY_OP_PARAMGEN            (1<<1)
1097# define EVP_PKEY_OP_KEYGEN              (1<<2)
1098# define EVP_PKEY_OP_SIGN                (1<<3)
1099# define EVP_PKEY_OP_VERIFY              (1<<4)
1100# define EVP_PKEY_OP_VERIFYRECOVER       (1<<5)
1101# define EVP_PKEY_OP_SIGNCTX             (1<<6)
1102# define EVP_PKEY_OP_VERIFYCTX           (1<<7)
1103# define EVP_PKEY_OP_ENCRYPT             (1<<8)
1104# define EVP_PKEY_OP_DECRYPT             (1<<9)
1105# define EVP_PKEY_OP_DERIVE              (1<<10)
1106
1107# define EVP_PKEY_OP_TYPE_SIG    \
1108        (EVP_PKEY_OP_SIGN | EVP_PKEY_OP_VERIFY | EVP_PKEY_OP_VERIFYRECOVER \
1109                | EVP_PKEY_OP_SIGNCTX | EVP_PKEY_OP_VERIFYCTX)
1110
1111# define EVP_PKEY_OP_TYPE_CRYPT \
1112        (EVP_PKEY_OP_ENCRYPT | EVP_PKEY_OP_DECRYPT)
1113
1114# define EVP_PKEY_OP_TYPE_NOGEN \
1115        (EVP_PKEY_OP_SIG | EVP_PKEY_OP_CRYPT | EVP_PKEY_OP_DERIVE)
1116
1117# define EVP_PKEY_OP_TYPE_GEN \
1118                (EVP_PKEY_OP_PARAMGEN | EVP_PKEY_OP_KEYGEN)
1119
1120# define  EVP_PKEY_CTX_set_signature_md(ctx, md) \
1121                EVP_PKEY_CTX_ctrl(ctx, -1, EVP_PKEY_OP_TYPE_SIG,  \
1122                                        EVP_PKEY_CTRL_MD, 0, (void *)md)
1123
1124# define EVP_PKEY_CTRL_MD                1
1125# define EVP_PKEY_CTRL_PEER_KEY          2
1126
1127# define EVP_PKEY_CTRL_PKCS7_ENCRYPT     3
1128# define EVP_PKEY_CTRL_PKCS7_DECRYPT     4
1129
1130# define EVP_PKEY_CTRL_PKCS7_SIGN        5
1131
1132# define EVP_PKEY_CTRL_SET_MAC_KEY       6
1133
1134# define EVP_PKEY_CTRL_DIGESTINIT        7
1135
1136/* Used by GOST key encryption in TLS */
1137# define EVP_PKEY_CTRL_SET_IV            8
1138
1139# define EVP_PKEY_CTRL_CMS_ENCRYPT       9
1140# define EVP_PKEY_CTRL_CMS_DECRYPT       10
1141# define EVP_PKEY_CTRL_CMS_SIGN          11
1142
1143# define EVP_PKEY_CTRL_CIPHER            12
1144
1145# define EVP_PKEY_ALG_CTRL               0x1000
1146
1147# define EVP_PKEY_FLAG_AUTOARGLEN        2
1148/*
1149 * Method handles all operations: don't assume any digest related defaults.
1150 */
1151# define EVP_PKEY_FLAG_SIGCTX_CUSTOM     4
1152
1153const EVP_PKEY_METHOD *EVP_PKEY_meth_find(int type);
1154EVP_PKEY_METHOD *EVP_PKEY_meth_new(int id, int flags);
1155void EVP_PKEY_meth_get0_info(int *ppkey_id, int *pflags,
1156                             const EVP_PKEY_METHOD *meth);
1157void EVP_PKEY_meth_copy(EVP_PKEY_METHOD *dst, const EVP_PKEY_METHOD *src);
1158void EVP_PKEY_meth_free(EVP_PKEY_METHOD *pmeth);
1159int EVP_PKEY_meth_add0(const EVP_PKEY_METHOD *pmeth);
1160
1161EVP_PKEY_CTX *EVP_PKEY_CTX_new(EVP_PKEY *pkey, ENGINE *e);
1162EVP_PKEY_CTX *EVP_PKEY_CTX_new_id(int id, ENGINE *e);
1163EVP_PKEY_CTX *EVP_PKEY_CTX_dup(EVP_PKEY_CTX *ctx);
1164void EVP_PKEY_CTX_free(EVP_PKEY_CTX *ctx);
1165
1166int EVP_PKEY_CTX_ctrl(EVP_PKEY_CTX *ctx, int keytype, int optype,
1167                      int cmd, int p1, void *p2);
1168int EVP_PKEY_CTX_ctrl_str(EVP_PKEY_CTX *ctx, const char *type,
1169                          const char *value);
1170
1171int EVP_PKEY_CTX_get_operation(EVP_PKEY_CTX *ctx);
1172void EVP_PKEY_CTX_set0_keygen_info(EVP_PKEY_CTX *ctx, int *dat, int datlen);
1173
1174EVP_PKEY *EVP_PKEY_new_mac_key(int type, ENGINE *e,
1175                               const unsigned char *key, int keylen);
1176
1177void EVP_PKEY_CTX_set_data(EVP_PKEY_CTX *ctx, void *data);
1178void *EVP_PKEY_CTX_get_data(EVP_PKEY_CTX *ctx);
1179EVP_PKEY *EVP_PKEY_CTX_get0_pkey(EVP_PKEY_CTX *ctx);
1180
1181EVP_PKEY *EVP_PKEY_CTX_get0_peerkey(EVP_PKEY_CTX *ctx);
1182
1183void EVP_PKEY_CTX_set_app_data(EVP_PKEY_CTX *ctx, void *data);
1184void *EVP_PKEY_CTX_get_app_data(EVP_PKEY_CTX *ctx);
1185
1186int EVP_PKEY_sign_init(EVP_PKEY_CTX *ctx);
1187int EVP_PKEY_sign(EVP_PKEY_CTX *ctx,
1188                  unsigned char *sig, size_t *siglen,
1189                  const unsigned char *tbs, size_t tbslen);
1190int EVP_PKEY_verify_init(EVP_PKEY_CTX *ctx);
1191int EVP_PKEY_verify(EVP_PKEY_CTX *ctx,
1192                    const unsigned char *sig, size_t siglen,
1193                    const unsigned char *tbs, size_t tbslen);
1194int EVP_PKEY_verify_recover_init(EVP_PKEY_CTX *ctx);
1195int EVP_PKEY_verify_recover(EVP_PKEY_CTX *ctx,
1196                            unsigned char *rout, size_t *routlen,
1197                            const unsigned char *sig, size_t siglen);
1198int EVP_PKEY_encrypt_init(EVP_PKEY_CTX *ctx);
1199int EVP_PKEY_encrypt(EVP_PKEY_CTX *ctx,
1200                     unsigned char *out, size_t *outlen,
1201                     const unsigned char *in, size_t inlen);
1202int EVP_PKEY_decrypt_init(EVP_PKEY_CTX *ctx);
1203int EVP_PKEY_decrypt(EVP_PKEY_CTX *ctx,
1204                     unsigned char *out, size_t *outlen,
1205                     const unsigned char *in, size_t inlen);
1206
1207int EVP_PKEY_derive_init(EVP_PKEY_CTX *ctx);
1208int EVP_PKEY_derive_set_peer(EVP_PKEY_CTX *ctx, EVP_PKEY *peer);
1209int EVP_PKEY_derive(EVP_PKEY_CTX *ctx, unsigned char *key, size_t *keylen);
1210
1211typedef int EVP_PKEY_gen_cb (EVP_PKEY_CTX *ctx);
1212
1213int EVP_PKEY_paramgen_init(EVP_PKEY_CTX *ctx);
1214int EVP_PKEY_paramgen(EVP_PKEY_CTX *ctx, EVP_PKEY **ppkey);
1215int EVP_PKEY_keygen_init(EVP_PKEY_CTX *ctx);
1216int EVP_PKEY_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY **ppkey);
1217
1218void EVP_PKEY_CTX_set_cb(EVP_PKEY_CTX *ctx, EVP_PKEY_gen_cb *cb);
1219EVP_PKEY_gen_cb *EVP_PKEY_CTX_get_cb(EVP_PKEY_CTX *ctx);
1220
1221int EVP_PKEY_CTX_get_keygen_info(EVP_PKEY_CTX *ctx, int idx);
1222
1223void EVP_PKEY_meth_set_init(EVP_PKEY_METHOD *pmeth,
1224                            int (*init) (EVP_PKEY_CTX *ctx));
1225
1226void EVP_PKEY_meth_set_copy(EVP_PKEY_METHOD *pmeth,
1227                            int (*copy) (EVP_PKEY_CTX *dst,
1228                                         EVP_PKEY_CTX *src));
1229
1230void EVP_PKEY_meth_set_cleanup(EVP_PKEY_METHOD *pmeth,
1231                               void (*cleanup) (EVP_PKEY_CTX *ctx));
1232
1233void EVP_PKEY_meth_set_paramgen(EVP_PKEY_METHOD *pmeth,
1234                                int (*paramgen_init) (EVP_PKEY_CTX *ctx),
1235                                int (*paramgen) (EVP_PKEY_CTX *ctx,
1236                                                 EVP_PKEY *pkey));
1237
1238void EVP_PKEY_meth_set_keygen(EVP_PKEY_METHOD *pmeth,
1239                              int (*keygen_init) (EVP_PKEY_CTX *ctx),
1240                              int (*keygen) (EVP_PKEY_CTX *ctx,
1241                                             EVP_PKEY *pkey));
1242
1243void EVP_PKEY_meth_set_sign(EVP_PKEY_METHOD *pmeth,
1244                            int (*sign_init) (EVP_PKEY_CTX *ctx),
1245                            int (*sign) (EVP_PKEY_CTX *ctx,
1246                                         unsigned char *sig, size_t *siglen,
1247                                         const unsigned char *tbs,
1248                                         size_t tbslen));
1249
1250void EVP_PKEY_meth_set_verify(EVP_PKEY_METHOD *pmeth,
1251                              int (*verify_init) (EVP_PKEY_CTX *ctx),
1252                              int (*verify) (EVP_PKEY_CTX *ctx,
1253                                             const unsigned char *sig,
1254                                             size_t siglen,
1255                                             const unsigned char *tbs,
1256                                             size_t tbslen));
1257
1258void EVP_PKEY_meth_set_verify_recover(EVP_PKEY_METHOD *pmeth,
1259                                      int (*verify_recover_init) (EVP_PKEY_CTX
1260                                                                  *ctx),
1261                                      int (*verify_recover) (EVP_PKEY_CTX
1262                                                             *ctx,
1263                                                             unsigned char
1264                                                             *sig,
1265                                                             size_t *siglen,
1266                                                             const unsigned
1267                                                             char *tbs,
1268                                                             size_t tbslen));
1269
1270void EVP_PKEY_meth_set_signctx(EVP_PKEY_METHOD *pmeth,
1271                               int (*signctx_init) (EVP_PKEY_CTX *ctx,
1272                                                    EVP_MD_CTX *mctx),
1273                               int (*signctx) (EVP_PKEY_CTX *ctx,
1274                                               unsigned char *sig,
1275                                               size_t *siglen,
1276                                               EVP_MD_CTX *mctx));
1277
1278void EVP_PKEY_meth_set_verifyctx(EVP_PKEY_METHOD *pmeth,
1279                                 int (*verifyctx_init) (EVP_PKEY_CTX *ctx,
1280                                                        EVP_MD_CTX *mctx),
1281                                 int (*verifyctx) (EVP_PKEY_CTX *ctx,
1282                                                   const unsigned char *sig,
1283                                                   int siglen,
1284                                                   EVP_MD_CTX *mctx));
1285
1286void EVP_PKEY_meth_set_encrypt(EVP_PKEY_METHOD *pmeth,
1287                               int (*encrypt_init) (EVP_PKEY_CTX *ctx),
1288                               int (*encryptfn) (EVP_PKEY_CTX *ctx,
1289                                                 unsigned char *out,
1290                                                 size_t *outlen,
1291                                                 const unsigned char *in,
1292                                                 size_t inlen));
1293
1294void EVP_PKEY_meth_set_decrypt(EVP_PKEY_METHOD *pmeth,
1295                               int (*decrypt_init) (EVP_PKEY_CTX *ctx),
1296                               int (*decrypt) (EVP_PKEY_CTX *ctx,
1297                                               unsigned char *out,
1298                                               size_t *outlen,
1299                                               const unsigned char *in,
1300                                               size_t inlen));
1301
1302void EVP_PKEY_meth_set_derive(EVP_PKEY_METHOD *pmeth,
1303                              int (*derive_init) (EVP_PKEY_CTX *ctx),
1304                              int (*derive) (EVP_PKEY_CTX *ctx,
1305                                             unsigned char *key,
1306                                             size_t *keylen));
1307
1308void EVP_PKEY_meth_set_ctrl(EVP_PKEY_METHOD *pmeth,
1309                            int (*ctrl) (EVP_PKEY_CTX *ctx, int type, int p1,
1310                                         void *p2),
1311                            int (*ctrl_str) (EVP_PKEY_CTX *ctx,
1312                                             const char *type,
1313                                             const char *value));
1314
1315void EVP_add_alg_module(void);
1316
1317/* BEGIN ERROR CODES */
1318/*
1319 * The following lines are auto generated by the script mkerr.pl. Any changes
1320 * made after this point may be overwritten when the script is next run.
1321 */
1322void ERR_load_EVP_strings(void);
1323
1324/* Error codes for the EVP functions. */
1325
1326/* Function codes. */
1327# define EVP_F_AESNI_INIT_KEY                             165
1328# define EVP_F_AESNI_XTS_CIPHER                           176
1329# define EVP_F_AES_INIT_KEY                               133
1330# define EVP_F_AES_XTS                                    172
1331# define EVP_F_AES_XTS_CIPHER                             175
1332# define EVP_F_ALG_MODULE_INIT                            177
1333# define EVP_F_CAMELLIA_INIT_KEY                          159
1334# define EVP_F_CMAC_INIT                                  173
1335# define EVP_F_D2I_PKEY                                   100
1336# define EVP_F_DO_SIGVER_INIT                             161
1337# define EVP_F_DSAPKEY2PKCS8                              134
1338# define EVP_F_DSA_PKEY2PKCS8                             135
1339# define EVP_F_ECDSA_PKEY2PKCS8                           129
1340# define EVP_F_ECKEY_PKEY2PKCS8                           132
1341# define EVP_F_EVP_CIPHERINIT_EX                          123
1342# define EVP_F_EVP_CIPHER_CTX_COPY                        163
1343# define EVP_F_EVP_CIPHER_CTX_CTRL                        124
1344# define EVP_F_EVP_CIPHER_CTX_SET_KEY_LENGTH              122
1345# define EVP_F_EVP_DECRYPTFINAL_EX                        101
1346# define EVP_F_EVP_DIGESTINIT_EX                          128
1347# define EVP_F_EVP_ENCRYPTFINAL_EX                        127
1348# define EVP_F_EVP_MD_CTX_COPY_EX                         110
1349# define EVP_F_EVP_MD_SIZE                                162
1350# define EVP_F_EVP_OPENINIT                               102
1351# define EVP_F_EVP_PBE_ALG_ADD                            115
1352# define EVP_F_EVP_PBE_ALG_ADD_TYPE                       160
1353# define EVP_F_EVP_PBE_CIPHERINIT                         116
1354# define EVP_F_EVP_PKCS82PKEY                             111
1355# define EVP_F_EVP_PKCS82PKEY_BROKEN                      136
1356# define EVP_F_EVP_PKEY2PKCS8_BROKEN                      113
1357# define EVP_F_EVP_PKEY_COPY_PARAMETERS                   103
1358# define EVP_F_EVP_PKEY_CTX_CTRL                          137
1359# define EVP_F_EVP_PKEY_CTX_CTRL_STR                      150
1360# define EVP_F_EVP_PKEY_CTX_DUP                           156
1361# define EVP_F_EVP_PKEY_DECRYPT                           104
1362# define EVP_F_EVP_PKEY_DECRYPT_INIT                      138
1363# define EVP_F_EVP_PKEY_DECRYPT_OLD                       151
1364# define EVP_F_EVP_PKEY_DERIVE                            153
1365# define EVP_F_EVP_PKEY_DERIVE_INIT                       154
1366# define EVP_F_EVP_PKEY_DERIVE_SET_PEER                   155
1367# define EVP_F_EVP_PKEY_ENCRYPT                           105
1368# define EVP_F_EVP_PKEY_ENCRYPT_INIT                      139
1369# define EVP_F_EVP_PKEY_ENCRYPT_OLD                       152
1370# define EVP_F_EVP_PKEY_GET1_DH                           119
1371# define EVP_F_EVP_PKEY_GET1_DSA                          120
1372# define EVP_F_EVP_PKEY_GET1_ECDSA                        130
1373# define EVP_F_EVP_PKEY_GET1_EC_KEY                       131
1374# define EVP_F_EVP_PKEY_GET1_RSA                          121
1375# define EVP_F_EVP_PKEY_KEYGEN                            146
1376# define EVP_F_EVP_PKEY_KEYGEN_INIT                       147
1377# define EVP_F_EVP_PKEY_NEW                               106
1378# define EVP_F_EVP_PKEY_PARAMGEN                          148
1379# define EVP_F_EVP_PKEY_PARAMGEN_INIT                     149
1380# define EVP_F_EVP_PKEY_SIGN                              140
1381# define EVP_F_EVP_PKEY_SIGN_INIT                         141
1382# define EVP_F_EVP_PKEY_VERIFY                            142
1383# define EVP_F_EVP_PKEY_VERIFY_INIT                       143
1384# define EVP_F_EVP_PKEY_VERIFY_RECOVER                    144
1385# define EVP_F_EVP_PKEY_VERIFY_RECOVER_INIT               145
1386# define EVP_F_EVP_RIJNDAEL                               126
1387# define EVP_F_EVP_SIGNFINAL                              107
1388# define EVP_F_EVP_VERIFYFINAL                            108
1389# define EVP_F_FIPS_CIPHERINIT                            166
1390# define EVP_F_FIPS_CIPHER_CTX_COPY                       170
1391# define EVP_F_FIPS_CIPHER_CTX_CTRL                       167
1392# define EVP_F_FIPS_CIPHER_CTX_SET_KEY_LENGTH             171
1393# define EVP_F_FIPS_DIGESTINIT                            168
1394# define EVP_F_FIPS_MD_CTX_COPY                           169
1395# define EVP_F_HMAC_INIT_EX                               174
1396# define EVP_F_INT_CTX_NEW                                157
1397# define EVP_F_PKCS5_PBE_KEYIVGEN                         117
1398# define EVP_F_PKCS5_V2_PBE_KEYIVGEN                      118
1399# define EVP_F_PKCS5_V2_PBKDF2_KEYIVGEN                   164
1400# define EVP_F_PKCS8_SET_BROKEN                           112
1401# define EVP_F_PKEY_SET_TYPE                              158
1402# define EVP_F_RC2_MAGIC_TO_METH                          109
1403# define EVP_F_RC5_CTRL                                   125
1404
1405/* Reason codes. */
1406# define EVP_R_AES_IV_SETUP_FAILED                        162
1407# define EVP_R_AES_KEY_SETUP_FAILED                       143
1408# define EVP_R_ASN1_LIB                                   140
1409# define EVP_R_BAD_BLOCK_LENGTH                           136
1410# define EVP_R_BAD_DECRYPT                                100
1411# define EVP_R_BAD_KEY_LENGTH                             137
1412# define EVP_R_BN_DECODE_ERROR                            112
1413# define EVP_R_BN_PUBKEY_ERROR                            113
1414# define EVP_R_BUFFER_TOO_SMALL                           155
1415# define EVP_R_CAMELLIA_KEY_SETUP_FAILED                  157
1416# define EVP_R_CIPHER_PARAMETER_ERROR                     122
1417# define EVP_R_COMMAND_NOT_SUPPORTED                      147
1418# define EVP_R_CTRL_NOT_IMPLEMENTED                       132
1419# define EVP_R_CTRL_OPERATION_NOT_IMPLEMENTED             133
1420# define EVP_R_DATA_NOT_MULTIPLE_OF_BLOCK_LENGTH          138
1421# define EVP_R_DECODE_ERROR                               114
1422# define EVP_R_DIFFERENT_KEY_TYPES                        101
1423# define EVP_R_DIFFERENT_PARAMETERS                       153
1424# define EVP_R_DISABLED_FOR_FIPS                          163
1425# define EVP_R_ENCODE_ERROR                               115
1426# define EVP_R_ERROR_LOADING_SECTION                      165
1427# define EVP_R_ERROR_SETTING_FIPS_MODE                    166
1428# define EVP_R_EVP_PBE_CIPHERINIT_ERROR                   119
1429# define EVP_R_EXPECTING_AN_RSA_KEY                       127
1430# define EVP_R_EXPECTING_A_DH_KEY                         128
1431# define EVP_R_EXPECTING_A_DSA_KEY                        129
1432# define EVP_R_EXPECTING_A_ECDSA_KEY                      141
1433# define EVP_R_EXPECTING_A_EC_KEY                         142
1434# define EVP_R_FIPS_MODE_NOT_SUPPORTED                    167
1435# define EVP_R_INITIALIZATION_ERROR                       134
1436# define EVP_R_INPUT_NOT_INITIALIZED                      111
1437# define EVP_R_INVALID_DIGEST                             152
1438# define EVP_R_INVALID_FIPS_MODE                          168
1439# define EVP_R_INVALID_KEY_LENGTH                         130
1440# define EVP_R_INVALID_OPERATION                          148
1441# define EVP_R_IV_TOO_LARGE                               102
1442# define EVP_R_KEYGEN_FAILURE                             120
1443# define EVP_R_MESSAGE_DIGEST_IS_NULL                     159
1444# define EVP_R_METHOD_NOT_SUPPORTED                       144
1445# define EVP_R_MISSING_PARAMETERS                         103
1446# define EVP_R_NO_CIPHER_SET                              131
1447# define EVP_R_NO_DEFAULT_DIGEST                          158
1448# define EVP_R_NO_DIGEST_SET                              139
1449# define EVP_R_NO_DSA_PARAMETERS                          116
1450# define EVP_R_NO_KEY_SET                                 154
1451# define EVP_R_NO_OPERATION_SET                           149
1452# define EVP_R_NO_SIGN_FUNCTION_CONFIGURED                104
1453# define EVP_R_NO_VERIFY_FUNCTION_CONFIGURED              105
1454# define EVP_R_OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE   150
1455# define EVP_R_OPERATON_NOT_INITIALIZED                   151
1456# define EVP_R_PKCS8_UNKNOWN_BROKEN_TYPE                  117
1457# define EVP_R_PRIVATE_KEY_DECODE_ERROR                   145
1458# define EVP_R_PRIVATE_KEY_ENCODE_ERROR                   146
1459# define EVP_R_PUBLIC_KEY_NOT_RSA                         106
1460# define EVP_R_TOO_LARGE                                  164
1461# define EVP_R_UNKNOWN_CIPHER                             160
1462# define EVP_R_UNKNOWN_DIGEST                             161
1463# define EVP_R_UNKNOWN_OPTION                             169
1464# define EVP_R_UNKNOWN_PBE_ALGORITHM                      121
1465# define EVP_R_UNSUPORTED_NUMBER_OF_ROUNDS                135
1466# define EVP_R_UNSUPPORTED_ALGORITHM                      156
1467# define EVP_R_UNSUPPORTED_CIPHER                         107
1468# define EVP_R_UNSUPPORTED_KEYLENGTH                      123
1469# define EVP_R_UNSUPPORTED_KEY_DERIVATION_FUNCTION        124
1470# define EVP_R_UNSUPPORTED_KEY_SIZE                       108
1471# define EVP_R_UNSUPPORTED_PRF                            125
1472# define EVP_R_UNSUPPORTED_PRIVATE_KEY_ALGORITHM          118
1473# define EVP_R_UNSUPPORTED_SALT_TYPE                      126
1474# define EVP_R_WRONG_FINAL_BLOCK_LENGTH                   109
1475# define EVP_R_WRONG_PUBLIC_KEY_TYPE                      110
1476
1477#ifdef  __cplusplus
1478}
1479#endif
1480#endif
1481